Revert of Remove HostDesktopType from AppLaunchParams

chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 
 #include <stddef.h>
 
 #include <vector>
 
@@ skipping 762 matching lines @@
     if (extension_enable_flow_)
       return;
 
     extension_enable_flow_.reset(
         new ExtensionEnableFlow(profile_, app_id, this));
     extension_enable_flow_->StartForNativeWindow(NULL);
     return;
   }
 
   // The app will be created for the currently active profile.
-  AppLaunchParams params(profile_, extension,
-                         ui::DispositionFromEventFlags(event_flags),
-                         extensions::SOURCE_APP_LAUNCHER);
+  AppLaunchParams params(
+      profile_, extension, ui::DispositionFromEventFlags(event_flags),
+      chrome::HOST_DESKTOP_TYPE_ASH, extensions::SOURCE_APP_LAUNCHER);
   if (source != ash::LAUNCH_FROM_UNKNOWN &&
       app_id == extensions::kWebStoreAppId) {
     // Get the corresponding source string.
     std::string source_value = GetSourceFromAppListSource(source);
 
     // Set an override URL to include the source.
     GURL extension_url = extensions::AppLaunchInfo::GetFullLaunchURL(extension);
     params.override_url = net::AppendQueryParameter(
         extension_url, extension_urls::kWebstoreSourceField, source_value);
   }
@@ skipping 1428 matching lines @@
 void ChromeLauncherController::ReleaseProfile() {
   if (app_sync_ui_state_)
     app_sync_ui_state_->RemoveObserver(this);
 
   extensions::ExtensionRegistry::Get(profile_)->RemoveObserver(this);
 
   PrefServiceSyncableFromProfile(profile_)->RemoveObserver(this);
 
   pref_change_registrar_.RemoveAll();
 }